ASTM_D_4368_-_89_1996e1.pdf

Designation:D 4368 89(Reapproved 1996)e1Standard Guide forTesting Poly(Vinyl Chloride)Resins1This standard is issued under the fixed designation D 4368;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon(e)indicates an editorial change since the last revision or reapproval.e1NOTEKeywords were added editorially in October 1996.1.Scope1.1 This guide covers test methods for poly(vinyl chloride)resins and vinyl chloride copolymers for use in coatingsapplications.The test methods listed in Table 1 were tested byinterlaboratory participation in accordance with ASTM guide-lines.Also included are methods useful to test the suitability ofresins for use in fluid nonaqueous vinyl dispersions.1.2 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:D 1243 Test Method for Dilute Solution Viscosity of VinylChloride Polymers2D 1705 Test Method for Particle SizeAnalysis of PowderedPolymers and Copolymers of Vinyl Chloride2D 1755 Specification for Poly(Vinyl Chloride)Resins2D 1823 Test Method for Apparent Viscosity of Plastisolsand Organosols at High Shear Rates by Extrusion Viscom-eter2D 1824 Test Method for Apparent Viscosity of Plastisolsand Organosols at Low Shear Rates by Brookfield Vis-cometer2D 1895 Test Methods for Apparent Density,Bulk Factor,and Pourability of Plastic Materials2D 1921 Test Method for Particle Size(Sieve Analysis)ofPlastic Materials2D 2196 Test Methods for Rheological Properties of Non-Newtonian Materials by Rotational(Brookfield)Viscom-eter3D 2222 Test Method for Methanol Extract of Vinyl ChlorideResins2D 3030 Test Method for Volatile Matter(Including Water)of Vinyl Chloride Resins4D 3205 Test Method for Viscosity ofAsphalt with Cone andPlate Viscometer5D 3680 Test Method for Residual Vinyl Chloride MonomerContent of Poly(Vinyl Chloride)Resins,Compounds,andCopolymers by Solution Injection Technique6D 3749 Test Method for Residual Vinyl Chloride Monomerin Poly(Vinyl Chloride)Homopolymer Resins by GasChromatographic Head Space Technique4D 4287 Test Method for High-Shear Viscosity Using the ICICone/Plate Viscometer3E 442 Test Method for Chlorine,Bromine,or Iodine inOrganic Compounds by Oxygen Flask Combustion73.Significance and Use3.1 The test methods listed and discussed in this guide areused to determine the purity and physical properties of poly-(vinyl chloride)and vinyl chloride copolymers.This informa-tion is useful to polymer producers and coatings manufactur-ers.4.Total Chlorine Content4.1 The determination of the total chlorine in vinyl chloridehomopolymers and copolymers is useful for the compositional1This guide is under the jurisdiction of ASTM Committee D-1 on Paint andRelated Coatings,Materials,and Applications and is the direct responsibility ofSubcommittee D01.33 on Polymers and Resins.Current edition approved April 28,1989.Published June 1989.Originallypublished as D 4368 84.Last previous edition D 4368 87.2Annual Book of ASTM Standards,Vol 08.01.3Annual Book of ASTM Standards,Vol 06.01.4Annual Book of ASTM Standards,Vol 08.02.5Annual Book of ASTM Standards,Vol 04.03.6Annual Book of ASTM Standards,Vol 06.03.7Annual Book of ASTM Standards,Vol 03.05.TABLE 1 Test Methods for Vinyl Chloride ResinsMethodSectionASTMDesignationViscosity,dilute solution5D 1243Particle size(sieve analysis)11D 1705Poly(vinyl chloride)resins,specification6D 1755Viscosity,vinyl dispersions,high shear6D 1823Viscosity vinyl dispersions,low shear6D 1824Apparent density10D 1895Particle size(sieve analysis)11D 1921Methanol extract7D 2222Volatile content8D 3030Residual VC1 monomer-solution technique9D 3680Residual VC1 monomer-head space technique9D 3749Viscosity,high shear,cone and plate6D 4287Total chlorine content4E 4421AMERICAN SOCIETY FOR TESTING AND MATERIALS100 Barr Harbor Dr.,West Conshohocken,PA 19428Reprinted from the Annual Book of ASTM Standards.Copyright ASTManalysis of the polymer and also to determine the amount ofvinyl resin present in a coating binder,provided no otherchlorine-containing ingredients are present.4.2 Test Method E 442 involves the determination of chlo-rine in organic compounds by the oxygen flash technique(Schoeninger technique).5.Dilute Solution Viscosity5.1 The dilute solution viscosity provides a measure of therelative molecular weight of the vinyl resin.In Test MethodD 1243,0.2 g of the sample in 100 mL of cyclohexanone isemployed.The flow time of the solution in a standard Ubbe-lohde viscometer at 30 6 0.5C is used to calculate theinherent viscosity(logarithm viscosity number).5.2 The procedure is applicable to all vinyl chloride ho-mopolymers and copol